Not redundant; not superfluous.

The quality or state of being non-redundant.

Not derivable; uncapable of being derived.

Not strict. / (mathematics) Of an inequality, such that it includes the possibility of equality.

Not capitalist.

One who is not a capitalist.

plural of number field

The act of drawing a second handgun when the first jams or runs out of ammunition, rather than reloading the first, in order to gain a speed advantage.

plural of non-science

Not moral; unconnected with morals; having no relation to ethics or morals; not involving ethical or moral considerations.